in tools/cloud/vision_system_data_serializer.py [0:0]
def pop_primitive_array(self, struct_type, length):
dummy = struct.pack(struct_type, 0)
alignment = self.get_alignment(len(dummy))
aligned_size = len(dummy) * length + alignment
if len(self.buffer) < aligned_size:
raise Exception("out of data")
self.last_data_size = len(dummy)
self.realign(alignment)
raw_bytes = self.buffer[0 : len(dummy) * length]
self.buffer = self.buffer[len(dummy) * length :]
self.current_position += len(dummy) * length
return list(struct.unpack(str(length) + struct_type, raw_bytes))